add: packer template for debian-9 installation

[infra.git] / packer / debian-9 / scripts / 02-enable-services.sh

diff --git a/packer/debian-9/scripts/02-enable-services.sh b/packer/debian-9/scripts/02-enable-services.sh
new file mode 100755 (executable)
index 0000000..003d2e6
--- /dev/null
+++ b/packer/debian-9/scripts/02-enable-services.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Boot more quickly
+sed -i 's/^GRUB_TIMEOUT=.*/GRUB_TIMEOUT=1/' /etc/default/grub
+update-grub
+
+# Prevent clearing the terminal when systemd invokes the initial getty
+# From: https://wiki.debian.org/systemd#Missing_startup_messages_on_console.28tty1.29_after_the_boot
+SYSTEMD_NO_CLEAR_FILE=/etc/systemd/system/getty@tty1.service.d/no-clear.conf
+mkdir --parents "$(dirname "$SYSTEMD_NO_CLEAR_FILE")"
+cat <<EOF > "$SYSTEMD_NO_CLEAR_FILE"
+[Service]
+TTYVTDisallocate=no
+EOF
+systemctl daemon-reload
+
+
+# Configure the ACPI daemon to gently turn off the VM when the "power button"
+# is pressed.
+cp /usr/share/doc/acpid/examples/powerbtn /etc/acpi/events/powerbtn
+cp /usr/share/doc/acpid/examples/powerbtn.sh /etc/acpi/powerbtn.sh
+chmod +x /etc/acpi/powerbtn.sh
+systemctl enable acpid
+
+
+# The QEMU guest agent helps the host to run the VM more optimally.
+systemctl enable qemu-guest-agent